As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DFW - CREW REPORTED TOTAL AIR TEMPERATURE PROBE MESSAGE FOLLOWED BY AUTOTHROTTLE DISCONNECT AND LOSS OF FLIGHT MANAGEMENT COMPUTER FLIGHT PLANS. EMERGENCY DECLARED FLIGHT RETURNED DFW LANDED WITHOUT INCIDENT. AIRCRAFT REMOVED FROM SERVICE. REPLACED TAT PROBE. SYSTEM GROUND CHECK NORMAL OPERATION.